Roller reducing and separating mill



5 Sheath-Sheet 1 ,(No Model.) I

' ULH. ODELL.

ROLLER REDUGING AND. SEPARATING MILL. No. 264,559. Paten-ted Sept. 19, 1882.

yli zveizz ar ##v Mg/ZJJZZ--- N4 PETERS, FhaQwLiNlugmP rl Wahinginn, D. (L

(No Model.)

'U. H. VODELL.

ROLLER REDUCING AND SEPARATING MILL.

Patented Sept. 19, 1882.

5 Sheets-Sheet 2,

liq 456212952.

(NVO Model.) 5; Sheets-Sheet 3. U. H. ODELL.

ROLLER REDUCING ANU'SEPARATING MILL. No. 264,559.. Patented Sept. 19, 1882.

.EaZaZalQdii.

5 Sheets-Sheet 4:.

( No Model.)

U.H.0DELL. ROLLER REDUGING AND SBPARATING MILL. No. 264,559.

Patented Sept. 19, 1882.

L I NEE-i=3 i F I H. Egg-E N. PEIERS. Pm her. Wnihingiun, D. C.

(No Model.) Y 5--S heetsSh et 5.

ROLL-ER REDUCING AND SEPARATIN G- MILL Patented Sept. 19, 1882..

I'IIIIIII'IIIIIIIIIIIIlIIIIII/IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I/IIIIII/II/M fiavenior III. IIII/III/II/II/I/I/ III/IIIIIIIII Fad @205. 06162;,

u. PETER; Phnlo-Lilhograpiw, wminnon. m:

UNIT D STAT S PATENT OFFICE.

UDOLPHO H. ODELL, or DAYTON, OHIO.

RQLLER REDUCING AND SEPA-RATING MILL.

SPECIFICATION forming part of Letters Patent No. 264,559, dated September 19, 1882.

Application filed March 7, 1882. (No model.)

- To all'whom it may concern Be it known that I, UDOLPHO H. ODELL, a citizen of the United States, and aresident of Dayton,in the county of Montgomery and State 5 of Ohio, have invented certain new and useful Improvements in Roller Reducing and Separating Mills, ot' which the following'is a specification.

This invention relates to improvements in' 1Q roller reducing and separating mills, and has forits objects to provide novel and efficient de vices for adjusting the laterally-movable reducing-rolls and the hopper-gate mechanism; to provide a combination of devices whereby 1 the grain is reduced, then separated, and afterward further reduced; to provide dust-tight compartments for the separating devices to prevent the escape of flour-dust-into the room, and to provide efficient means for starting and zostopping the series of mills simultaneously.

These objects I accomplish by the mechanism and by the arrangement of parts illustrated in the accompanying drawings, in which- Figure 1 represents a side elevation of the 2 lower portion of a machine embodying my invention; Fig. 2, a similar view, partly in section, showing the upper portion of the machine; Fig. 3, an end elevation of the portion of the machine shown in Fig. 1;Fig. 4, a simi- 0 lar elevation of the portion of the machine shown in Fig.2; Fig. 5, an elevationof the belt-tigh tener mechanism, showing it arranged on a broken section of the main frame of the machine; and Fig. 6, an enlarged vertical sec- 5 tional View, broken away, of a portion of the upper part of the machine, to more clearly illustrate the parts shown in section in Fig. 2.

A represents the floor or foundation, upon 1 which the machine rests.

A is a bed-plate, to which the machineframe is'rigidly attached.

of which is preferably driven at a faster speed than the other.

crepresents theswinging journal-arms, upon which the adjustable rollers are journaed. H

(2 represents horizontal adj Listing-shafts attached to swinging journal-arms c. I Nuts 1, 2, 3, and 4 are for adjusting the arms F and the tension of springs 5, which springs allow the rolls journaled to arms'c to yield to undue strain between the faces of the rolls.

It will be observed that the tension of the springs can be adjusted by means of the screwnutsindependently of the set of the rolls journaled upon thearms c. frepresents the ears upon each side of the frame, to which are pivoted the swinging arms F, which support the ends of the shafts 0, and within each of which is formed a housing to hold the coiled spring 5.

The parts 0, c,f, F, and 1, 2, 3, 4., and 5 are duplicated upon each side of the machine, so as to regulate and control the journals upon each end of the adjustable rolls and allow of each end to the pivoted arms F. Other equivalent means for moving the journal-arms F may be substituted for the eccentrics.

h represents a lever or crank arm rigidly attached to the shaft h.

I represents a segmental rack; 'i, a similar rack pivoted to the frame of the machine, and to this rack is pivoted one end of a link, I, the other end of which is pivoted to the adjustable hopper-gate.

As the lever h is moved down the ,eccentrically-journaled arms F,are carried inwardly at their upper ends and the journal-arms are moved inwardly, together with the shaft 0 and B represents the frame-workof the lower journal-arms-c, thus separating the movable 1 portion of the machine, and B the frame-work from the stationary roll. By this movement segment I operates segment-i, the link I closing thehopper-gate down upon the feed-roll 1". A reverse movement of lever h Opens'the hopper-gate and brings the rolls together for operation.

It is desirable in a mill comprising a series 'of' sets of rolls to stop, start, and adjust the rolls and the hopper-gate mechanism of the se- "of each of the secondary machines, which are 5 made in separate sections and attached in series by bolts or th'eirequhalents, to unite thejoiuts b. This provides for an easy combination of s i any number of machines, resting one above the other, tO 'fOIll1 areducing' and separating 5omill in a continuous series. r

l- 'C 0' represent the setsof reducing-rolls, one

ries of rolls by a single lever movement and at different points of the machine. This [obtain as follows: H H representvertical rods,which are pivoted to the projecting arms of levers It, so that as either one of the series of levers on one side of the machine moves motion will be communicated to the adjusting mechanism of the other mills of the series in the same vertical line. In order to convey motion from one of the levers on one side of the machine to the series of adjusting mechanisms which are arranged vertically one above the other on the opposite side of the machine, I provide one or more transverse connecting-rods, H,which are pivoted to studarms H, rigidly connected to the through-shafts It. By this means a simultaneous adjustment of all the mechanisms arranged alternatelyon each side of the machine is effected by the movementof a single one of the series of levers h. I also provide an independent series of hopper-gates, g, which are adjusted singly by the pivoted levers g.

J represents the upper hopper of the series of mills, from-which the grain is fed into the first of the series of rolls, and is preferably provided with the ordinary feed-roll, I.

G represents a separatirig-chamber, within which revolves a many-sided reel, G, which is suitably journaledon anactnating-shaft, G.

Zrepresents a screw upon the reel, for feeding the reel. The bottom of this chamber is provided with a hopper-shaped bottom,K, near the bottom of which is journaled a longitudinal screw-conveyer, K.

K K represent one or more spouts projecting through the hopper-bottom of the reelchamber, for discharging the fine material separated by the bolt. The spouts K are preferably connected by tight spouting to a receiver or elevator located away from the ma chine.

Jrepresents the secondary hoppers, located within the reel-chambers, vertically under the open ends of the reels, which are made flaring, as at L, to efl'ect an easy discharge of the tailings. v

L represents a transverse r'ight-and-lefthand distributer, which is journaled on a shaft and revolves to evenly distribute the tailings which fall thereon along the feed-roll 1".

M represents the frame of the reel-chamber G.

m represents the shell or casing attached to the frame B to form a dust-tight compartment, within which the reel and separating devices work.

M represents a similar dust-tight compart-.

the whole forming a series of automatically feeding and gradual-reduction mills. To accomplish this the rolls of each mill are placed at the opposite end of the machine from those of the series next above or next below, so that the reel separating the product of one series of rolls feeds its unbolted material directly into the feed -rolls next in the series, the material traveling alternately across the machine through the reels from one set of rolls to the next, being bolted in its passage through the reels and successively reduced and bolted by its passage through each of the mills of the series.

Different sizes of mesh of bolting'cloth may be employed in each or any one of the reels, and a separation of the flour effected in the usual manner, if desired.

A modification of myarrangement in a series of mills might be effected as follows: All of the roller and hopper mechanisms might be mounted on the same end of the machine by providing a second conveyer, leadingfroni the tail of the reel to the secondary hopper; but this would require an additional space between the bottom of the reel-chamber of one mill and the hopper of the rolls in the next millto which the stufl' is conveyed, and would not be as cheap and as simple as the plan herein shown.

A further modification of my improvement would be to use two'or three series of mills and arrange two or more of them side by side, conveying the tailings from one mill or from the bottom series of mills by an elevator into a hopper of an adjacent mill. In such a case the elevator-spoutand hoppershould bejoined, so as to make a tight passage of the chamber, to prevent the escape of dust into the air while the material is being transmitted from one mill to the other. Theframes or" each mill are made in sections, so as to readilyallow this separation or combination. i

The driving mechanism of my machine is preferably constructed and arranged as follows: D represents a driving-pulley on the power-shaft, from which the belt 0 passes over pulley D, on the opposite end of the shaft of which is a transmitting-pulley, d, for driving the reel mechanism. Belt 0 thence passes over the tightener-pulley T, thence over pulley D, which is fixed to the shaft of one of the rolls 0; thence transverselyacross the machine over pulley D, fordriving oneof the rolls of the mill next in the series; thence transversely across the machine over the roller-pulley of the mill next in the series; thence transversely across the machine over pulley D, for driving one of the rolls of the upper series of rolls, and thence around pulley 1), driving the entire series of fast-speeded rolls by one belt. It is obvious that any number of series of rolls or mills maybe employed in the series and driven bya belt in this manner. The other or slowerspeeded rolls are driven in a like manner by a similar arrangement of belts and pulleys, arranged on the opposite side of the machine.

E, Fig. 3,.represcnts the first transmitter, driven by the power-pulley E, which is rotated by driving-pulley D and gear-wheels, as shown in Fig. 3, and E, E, and 13 represent the pulleys on the shafts of the slower-speeded rolls.

An inferior mode of driving my series of mills would be by gears instead of belting. and

so, also, belts might be used for driving the rolls upon pulleys arranged upon one side of the machine only; but this would not be as effective as the devices herein shown.

It is also desirable to stop and start the op eration of the machine by means of tightenerpulleys, which are also arranged to have sufficient movement to serve as belt-tighteners simply. I have accomplished this by the following arrangement of parts: P represents a verticallyadjustable pulley-frame connected with the frame B. 19 represents guides attached to frame B, in which the standards P move up and down. T T representthe tightener-pnlleys, and P P the journals for said pulley-shafts, which are shown as attached to each side of the frame B, mounted on the upper ends of brackets P. t representsath roughshaft journaled to frame B, upon which is mounted a hand-wheel, t. Q represent-s rackteeth upon the faces of standards P. R represents pinions mounted on shaft t, engaging with rack-teeth Q. By revolving the handwheel t the tightener-t'rames P and P may be depressed to remove the strains from the belts which drive the rolls and stop. the operation of the machine. By turning the handwheel t in the opposite direction the t1 ghtenerpulley frame will be raised, the strain applied to the belts, and the machine set in motion.

The reels and conveyers are driven in the following manner: Power is transmitted from pulley d to transmitter d, on the shaft of which is keyed a pinion, 4", driving bevel-pinion 'r, the latter being keyed to the upright shaft S. 8. represents a series of bevel-gears keyed to shalt S. 8 represents bevel-gears meshing with bevels s and keyed to the conveyer-shat'ts K. U represents bevel-gears keyed to the reel-shafts G" and driven by bevels U upon shaft S. The transverse distributer, L" is driven by a belt on pulleys e e from the shafts of theslower-speeded rolls, as shown in Fig. 4.

Various modifications of driving these different parts maybe employed without affecting the material features of my invention.

a through-shaft journaled tothe frame of the machine and connected with the journal-arms ing lever attached directly tothe latter'to si- 1 multaneously'adjust the roller-arms and the hopper-gate, substantially as described.

2. In aroller reducingmill, thecombination of a supporting-fram'e, a set of reducing-rolls, adjustable journal-arms for one of said rolls. a hopper, hopper gate mechanism, a throughshaft connected with the hopper-gate mechanism and the adjustable roller-arms, a lever for rocking the said shaft, and a separating and conveying device receiving the reduced material from the rolls, substantially as described.

3. In a roller reducing-mill, the combination of a supporting-frame, a set of reducing-rolls, adjustable journal arms for one of said rolls, a hopper, hopper-gate-mechanism, a throughshaft connected with the hopper-gate mechanismand the adjustable roller-arms, a lever for rocking said shaft, a rotating reel receiving the reduced material from the rolls, and a sec ondary hopper arranged at thedischargeend of the reel, substantially as and for the pur poses described. p a

4. A reducing and separating mill combining in its structure a set of reducing-rolls, a rotating separating-reel, into one end of which the reduced material from the rolls is directly deliveredfa longitudinal conveyer and hopper arranged beneath the reel, a secondary hopper for receiving the tailings from the reel, and a dust-tight compartment or housing inclosing all of said members, the secondary hopper being arranged to deliver the tailings from the revolving reeldirectly into another set of reducing-rollstbrfurtherreduction,substantially as herein set forth.

5. In a gradual-reduction mill, the combination of a series of mills, each composed of a set of reducing-rolls, receiving and discharging hoppers, a rotating separating-reel, and a versely in the hopper which receives the tailings from the reel for evenly distributing the conveyer, with a distributer arranged transinclosing the members comprising each mill,

substantially as described.

6. In aroller reducing-mill, thecombination of a series of reducing-rolls and hoppers arranged vertically above each other, hoppergate mechanism for each hopper, vertical rods H, connecting the series of hopper-gate mechanisms, eccentrically-journaled shat'ts h, and

an operating-lever, h. substantially as and for.

the purpose described.

7. The combination of a series of sets of reducing-rolls arranged vertically one above the other, roll-adjusting mechanism, a hopper for each set of rolls, hopper-gate mechanism for I each hopper, vertical rods H, connecting the series of hopper-gate mechanisms, and an operating-lever, substantially-as described.

8. The combination, with a series of reducing-mills, ofa series of hoppers at opposite ends of the machine, hoppergate mechanism, eccentrically-journaled shafts h and stud-arms H", for the respective hoppers, the vertical and transverse rods H and H, connecting all the hopper-gate mechanisms, and an operating-lever, h, substantially as and for the purpose described.

9. In a gradual-reduction mill, the combinationof the reducing-rolls, the rotating reel, the secondary hopper above the reducing-rolls ot' the mill next in series for receiving the tailing's from the reel, and a transverse distributer, L, arranged in the secondary hopper for evenly distributingthe tailings tor the delivery of the same to another set ot'reducing-rolls, substantially as described.

10. In a gradual-reduction mill, the combination of a set of reducing-rolls and a rotating separating-reel arranged within one and the same compartment, with a hopper-bottom beneath the reel, and a conveyer, K, arranged longitudinally along said hopper for discharge ing the flour or middlings separated by the reel, substantially as described.

11. The roll-adjusting mechanism combining in its structure the swingingarms 0, shafts c, through-shaft h, swinging arms F, journaled eccentrically t0 the latter, the adjustable springs, and the single hand-lever It, directly attached to shaft h, substantially as described.

12. The combination, in a roller-mill, of a single setot" reducing-rolls with a hopper above the rolls, the hopper-gate, the through-shaft h, the link I, rack 2', and rack I, mounted on the through-shaft, substantially as described.

13. The combination, in a roller-mill, of the series of reducing-rolls, the belt-and-pulley mechanism t'ordriving the same, the tightenerpulleys at opposite sides of the machine, the racks carrying the tightener pulleys, the through-shaft t, and the laterally adjustable pinions R, whereby the tightener-pulleys can be separately adjusted, substantially as described.

In testimony whereof I have hereunto set my hand in the presence of two subscribing, witnesses.

. UDOLPHO l1. ODELL. Witnesses:

JNO. E. JONES, J. H. CHARLES SMITH. 

